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《中学政治教学参考》(上旬)2015年第7期刊登了陕西省咸阳市彩虹中学刘彦强老师的《2015年高考全国文综卷Ⅰ三道瑕疵题》,我拜读后颇受启发,但对该文认为第23题存在知识性错误的分析有些不同看法,现与刘彦强老师商榷,请大家指正。该题原题如下:卤水豆腐是历史悠久的中国传统食品。卤水是制作卤水豆腐必需的稳定剂和凝固剂,其主要成分氯化镁是有毒的,但用卤水点制的豆腐不仅无毒,而且
“High School Political Teaching Reference” (early) 2015 seventh issue published in Shaanxi Province Xianyang City Rainbow High School teacher Liu Yanqiang “2015 National College Entrance Exam paper Ⅰ three flaws,” I was inspired after reading, but the The article thinks there is knowledgeable mistakes in the twenty-third problem analysis of some different views, is to discuss with the teacher Liu Yanqiang, please correct me. The title is as follows: brine tofu is a long history of traditional Chinese food. Brine is the production of brine tofu necessary stabilizer and coagulant, the main component of magnesium chloride is toxic, but tofu point with brine is not only non-toxic, but also